import math
count=0
for i in range(1, 5):
    for j in range(1, 5):
        for k in range(1, 5):
            if i != j and i != k and j != k:
                count += 1
                print("数:{}{}{}".format(i, j, k)+"***", end='')
    print()
print("有：{}".format(count)+"种")